From 161315c4de69fde33c330afcaa6ec69a965232df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Tue, 31 May 2022 07:27:14 +0200
Subject: [PATCH] gtk3: fixup build on *-darwin

---
 pkgs/development/libraries/gtk/3.x.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/gtk/3.x.nix b/pkgs/development/libraries/gtk/3.x.nix
index 3f78753346dd..f3f3f0c108a1 100644
--- a/pkgs/development/libraries/gtk/3.x.nix
+++ b/pkgs/development/libraries/gtk/3.x.nix
@@ -213,6 +213,9 @@ stdenv.mkDerivation rec {
       wrapProgram $dev/bin/$program \
         --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH:$out/share/gsettings-schemas/${pname}-${version}"
     done
+  '' + lib.optionalString stdenv.isDarwin ''
+    # a comment created a cycle between outputs
+    sed '/^# ModulesPath =/d' -i "$out"/lib/gtk-*/*/immodules.cache
   '';
 
   passthru = {